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A diabasic acid containing C,H and O was...

A diabasic acid containing C,H and O was found to contain C=26.7% and H=2.2%. The vapour density of its dimethyl ester was found to bc 73. The molecular formula of the acid is

A

`CH_(2)O_(2)`

B

`C_(2)H_(2)O_(4)`

C

`C_(3)H_(3)O_(4)`

D

`C_(2)H_(4)O_(4)`

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The correct Answer is:
B
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -2
  1. 10ml of an alkane on complete combustion gave 40ml of CO(2) under the ...

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  2. The relative number of atoms of different elements in a compound are a...

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  3. A diabasic acid containing C,H and O was found to contain C=26.7% and ...

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  4. The mass of water (in grams) in one mole of crystalline hypo is

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  5. 0.36g of an organic compound on combustion gave 1.1g of CO(2) and 0.54...

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  6. 0.66 g of a compound gave 112 ml of nitrogen at STP in the Dumas metho...

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  7. 60g of a compound on analysis gave C=24g, H=4g and O=32g. Its empirica...

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  8. One mole of chlorine combines with certain weight of a metal giving 11...

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  9. 40 ml of a hydrocarbon undergoes combustion in 260 ml oxygen and gives...

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  10. A compound on analysis was found to contain 53.33 % C , 15.5 % H , and...

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  11. In a compound C , H and N atoms are present in 9 : 1 : 3.5 by weight ....

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  12. The formula of metal phosphite is MHPO3 , the formula of the metal hyp...

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  13. An element X forms two oxides. Formula of the first oxide is XO(2). Th...

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  14. 0.72 gm of an oxide of a metal M on reduction with H(2) gave 0.64 g of...

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  15. 10 g of hydrofluoric acid gas occupies 5.6 lit of volume at STP . If t...

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  16. In the estimation of halogen 0.18 g of an organic compound gave 0.12 g...

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  17. four grams of hydrocarbon (C(x)H(y)) on complete combustion gave 12gra...

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  18. Analysis of a compound yields the following percentage composition. 65...

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  19. In an organic compound containing C and H, the % C is 3 times to that ...

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  20. The volume of 0.025M Ca(OH)(2) solution which can neutralise 100 ml of...

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